I uploaded a similar video earlier but I had a discussion with my student last night about not getting bogged down in Chi Sao.  Chi Sao is not fighting.  It's a tool to help compliment and facilitate your fighting applications.  

These Hands Just Don't Talk, They Sing.

Beautiful demo on the Mook Yan Jong (Wooden Dummy) by Wing Chun cousin, Sifu Leigh Duff down in Tasmania. Make it sing brother.  Make it sing. 

What Wing Chun Is Really Good For.

Wing Chun people might understand why I find this so funny. I think all of us have done this at least ONCE in our lives. Thumbs up to Sifu Alex Richter who nailed this.